184.120.40.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
184.120.40.64
Broadcast Address
184.120.40.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
184.120.40.65
Last Usable IP
184.120.40.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (184.120.40.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 184.120.40.95 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 184.120.40.64/27
Network Address 184.120.40.64
Broadcast Address 184.120.40.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 184.120.40.65
Last Usable IP 184.120.40.94
Network (Hex) 0xB8782840
Broadcast (Hex) 0xB878285F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111000.01111000.00101000 10111000.01111000.00101000.01000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 184.120.40.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 184.120.40.64/28 184.120.40.64 184.120.40.65 184.120.40.78 184.120.40.79 14
2 184.120.40.80/28 184.120.40.80 184.120.40.81 184.120.40.94 184.120.40.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

184.120.40.64 net
184.120.40.65
184.120.40.66
184.120.40.67
184.120.40.68
184.120.40.69
184.120.40.70
184.120.40.71
184.120.40.72
184.120.40.73
184.120.40.74
184.120.40.75
184.120.40.76
184.120.40.77
184.120.40.78
184.120.40.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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